000
00299nam a2200121Ia 4500
008
220201s1980 xx 000 0 eng d
082
_b
LON
100
_a
Lonely S.L.
245
0
_a
Plane Trignometry v.1
260
_a
Madras
_b
Macmilliam Publication co. Inc.
_c
1980
300
_a
327+44
942
_2
ddc
999
_c
22480
_d
22480